import java.util.concurrent.TimeUnit;

/**
 * Description： TODO
 * Author： 王多鱼
 * CreateTime： 2021/6/16 21:26
 **/

class HoldLockThread implements Runnable{
    private String lockA;
    private String lockB;

    public HoldLockThread(String lockA, String lockB) {
        this.lockA = lockA;
        this.lockB = lockB;
    }

    @Override
    public void run() {
        synchronized (lockA){
            System.out.println(Thread.currentThread().getName()+"\t 自己持有:"+lockA+"\t 尝试获得："+lockB);
            try {
                TimeUnit.SECONDS.sleep(2);
            } catch (InterruptedException e) {
                e.printStackTrace();
            }
            synchronized (lockB){
                System.out.println(Thread.currentThread().getName()+"\t 自己持有:"+lockB+"\t 尝试获得："+lockA);
            }
        }

    }
}
public class DeadLockDemo {
    public static void main(String[] args) {
        String lockA = "lockA";
        String lockB = "lockB";
        new Thread(new HoldLockThread(lockA,lockB),"AAA").start();
        new Thread(new HoldLockThread(lockB,lockA),"BBB").start();
    }
}
